OLPC XO 1.75 replace one of the 3 usb port with a mini hdmi
wad at laptop.org
Thu Nov 8 10:22:18 EST 2012
On Jan 19, 2011, at 6:48 AM, Andrew Puch wrote:
> Is the cost and form factor viable to replace one of the external usb
> ports with a mini hdmi Type C or D port ?
Yes. We finally took your suggestion on XO-4.
> When students or teacher give talks it would be nice for them to show to
> the class on the tv what they are doing.
> The type hdmi 1.4 , D connector is 2.8 mm × 6.4 mm, where as the hdmi
> 1.3 type C connector is 2.42 mm × 10.42 mm; for comparison, a micro-USB
> connector is 2.94 mm × 7.8 mm and usb a is 11.5 mm × 4.5 mm.
> Looks like the ARMADA 610 has support for hdmi 1.3
As does it's successor, the PXA2128, used in the XO-4 and XO-4 Touch.
> Also I hope there is a give1get1 one for this machine along with a nice
> touch screen :)
There is a touchscreen on the XO-4 Touch. We are thinking of ways to
increase availability of these.
> Maybe a usb header on the motherboard, along with pcie mini card a boy
> can dream.
There is a spare USB port on the motherboard, although it is accessible
on resistor pads, not a connector. Sorry about the mini-PCIe --- we
use that connector for the WLAN but it only has SDIO and USB.
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